@charset "UTF-8";

body {
    background-color: #e3f2fd;
    font-family: "微软雅黑", "宋体", Arial, sans-serif;
    color: #333;
    margin: 0;
    padding: 0;
}

.header {
    background-color: #1976d2;
    color: #fff;
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;
    font-size: 28px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(30, 136, 229, 0.08);
}

.left {
    background-color: #5da6d3;
    width: 25%;
    min-height: 800px;
    float: left;
    border-radius: 16px;
    margin: 24px 0 24px 24px;
    box-shadow: 0 4px 24px rgba(30, 136, 229, 0.08);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.left table {
    height: 100%;
    width: 90%;
    margin: 0 auto;
}

.left th, .left nerong {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 2px;
    padding-bottom: 18px;
    text-align: center;
}

.left td, .left a {
    font-size: 18px;
    color: #f0f6fa;
    font-weight: 500;
    padding: 10px 0;
    display: block;
    text-align: center;
    text-decoration: none;
    transition: color 0.2s;
}

.left a:hover {
    color: rgb(255, 255, 255);
    text-decoration: underline;
}

.context, .fix, .fix2 {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(30, 136, 229, 0.08);
    padding: 32px 24px;
    float: right;
    /* 还可以加 margin-right 控制右侧间距 */
    margin-right: 40px;
    width: 60%;
    min-height: 800px;
}

.bb {
    background-color: #5da6d3;
    width: 18%;
    height: 90px;
    position: relative;
    top: -40px;
    left: 1100px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(30, 136, 229, 0.08);
}

div {
    opacity: 0.98;
    border: none;
    box-sizing: border-box;
    margin: 5px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(30, 136, 229, 0.08);
    text-align: center;
}

h2 {
    margin-bottom: 30px;
    font-size: 25px;
    font-family: "微软雅黑";
    color: #145a90;
}

a, a:link, a:visited {
    color: #1976d2;
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: #1565c0;
    text-decoration: underline;
}

button, .btn-big, .btn-green, .btn-yellow {
    border-radius: 6px;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(30, 136, 229, 0.08);
    border: none;
    padding: 8px 20px;
    font-size: 16px;
    margin: 8px 4px;
    background-color: #1976d2;
    color: #fff;
    cursor: pointer;
}
button:hover, .btn-big:hover, .btn-green:hover, .btn-yellow:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 16px rgba(30, 136, 229, 0.16);
}

.btn-green {
    background-color: #26a69a;
}
.btn-yellow {
    background-color: #ffa726;
}

nerong {
    font-size: 25px;
    font-family: "微软雅黑";
    color: #ffffff;
}
ni {
    font-size: 20px;
    font-family: "微软雅黑";
    color: #000000;
}
